Which is the largest volcano in the world?

Mauna Loa in Hawaii is the largest active volcano in the world. The Hawaiian shield volcanoes are the largest mountains on Earth. Mauna Loa eruptions tend to produce voluminous, fast-moving lava flows that can impact communities on the east and west sides of the Island of Hawaiʻi. Since the mid-19th century, the city of Hilo in east Hawaiʻi has been threatened by seven Mauna Loa lava flows.

Further Reading:

• Volcanic Landforms
• Volcanoes